Find all cube roots of the complex number. Leave answers in trigonometric form.-125i
A. 5 cis 90°, 5 cis °210, 5 cis 330°
B. 5 cis 30°, 5 cis °60, 5 cis 90°
C. 5 cis 90°, 5 cis °180, 5 cis 270°
D. 5 cis °210, , 5 cis 270°, 5 cis 330°
Answer: A
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,????
A. Mayan; 3233 B. Greek; 29,333 C. Greek; 2933 D. Greek; 29,343
Express the sum in sigma notation.3 + 6 + 9 + 12 + 15
A. 
B. 
C. 
D. 
Solve the problem.When P dollars is invested at interest rate i, compounded annually, for t years, the investment grows to A dollars, where A = P(1 + i) t . Find the interest rate i if $2430 grows to $3510 in 2 years. Round your answer to the nearest hundredth of a percent.
A. 20.19 % B. 22.22 % C. 44.44 % D. 10.09 %
Subtract.8979
A. 8566 B. 3540 C. 3566 D. 3560